The M12™ REDLITHIUM™ XC4.0 Battery delivers up to 2X more runtime, 20% more power, and 2X more recharges compared to standard lithium-ion batteries. Engineered with advanced pack construction, intelligent electronics, and superior performance, this Extended Capacity Battery Pack ensures maximum efficiency, providing more work per charge and a longer overall lifespan than competing batteries.

With a 4.0 amp-hour capacity, it offers extended runtime while maintaining Milwaukee’s signature durability, running cooler for enhanced performance in demanding applications.

In addition to the battery pack, this starter kit includes the M12™ Battery Charger, ensuring fast and efficient charging. The M12™ REDLITHIUM™ battery is fully compatible with all Milwaukee M12™ tools, making it a versatile power solution for any job.